title: Sperm nuclear packing and regulation during spermatogenesis and fertilization.
mesh_terms: D000818:Animals; D001120:Arginine / Q000378:metabolism; D001345:Autoradiography; D002467:Cell Nucleus / Q000378:metabolism*; D006224:Cricetinae; D004247:DNA / Q000096:biosynthesis; D004586:Electrophoresis; D005260:Female; D005306:Fertilization; D006168:Guinea Pigs; D006801:Humans; D066298:In Vitro Techniques; D008239:Lysine / Q000378:metabolism; D008297:Male; D051379:Mice; D008854:Microscopy, Electron; D011479:Protamines / Q000378:metabolism; D011817:Rabbits; D013087:Spermatids / Q000378:metabolism; D013091:Spermatogenesis; D013094:Spermatozoa / Q000378:metabolism*
chemical_list: D011479:Protamines; D004247:DNA; D001120:Arginine; D008239:Lysine